Megabytes to bytes

bytes = megabytes × 1,000,000

How to convert megabytes to bytes

One megabyte is 1,000,000 bytes, so multiply the number of megabytes by 1,000,000. For example, 20 megabytes is 20 × 1,000,000 = 20,000,000 bytes. To go back, divide by the same number, or multiply by 0.000001.

Quick estimate

Multiplying by about 1000000 gets within 0.0% of the exact answer, which is enough to check that a result makes sense.

Where it comes up

Data conversions come up when comparing storage on phones and drives, file and download sizes, and internet plans.

megabytes	bytes
1 mb	1,000,000 b
2 mb	2,000,000 b
3 mb	3,000,000 b
4 mb	4,000,000 b
5 mb	5,000,000 b
6 mb	6,000,000 b
7 mb	7,000,000 b
8 mb	8,000,000 b
9 mb	9,000,000 b
10 mb	10,000,000 b
11 mb	11,000,000 b
12 mb	12,000,000 b
13 mb	13,000,000 b
14 mb	14,000,000 b
15 mb	15,000,000 b
16 mb	16,000,000 b
17 mb	17,000,000 b
18 mb	18,000,000 b
19 mb	19,000,000 b
20 mb	20,000,000 b
25 mb	25,000,000 b
30 mb	30,000,000 b
40 mb	40,000,000 b
50 mb	50,000,000 b
60 mb	60,000,000 b
70 mb	70,000,000 b
75 mb	75,000,000 b
80 mb	80,000,000 b
90 mb	90,000,000 b
100 mb	100,000,000 b
120 mb	120,000,000 b
150 mb	150,000,000 b
200 mb	200,000,000 b
250 mb	250,000,000 b
300 mb	300,000,000 b
400 mb	400,000,000 b
500 mb	500,000,000 b
750 mb	750,000,000 b
1,000 mb	1,000,000,000 b
1,500 mb	1,500,000,000 b
2,000 mb	2,000,000,000 b
5,000 mb	5,000,000,000 b
10,000 mb	10,000,000,000 b

Questions

How many bytes are in a megabyte?

1,000,000 bytes.

How do I convert megabytes to bytes in a spreadsheet?

Put the value in A1 and type =A1*1000000, then fill the formula down the column.

Are the values in the table exact?

They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.